Si4468 datasheet(4/57 Pages) SILABS

Numer części	Si4468

Szczegółowy opis	Highly configurable packet handler

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Si4468/7

4

Rev 1.0

1. Electrical Specifications

Table 1. DC Characteristics1

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Supply Voltage

Range

VDD

1.8

3.3

3.8

V

Power Saving Modes IShutdown

RC Oscillator, Main Digital Regulator,

and Low Power Digital Regulator OFF

—

30

1300

nA

IStandby

Register values maintained and RC

oscillator/WUT OFF

—

40

2900

nA

ISleepRC RC Oscillator/WUT ON and all register values main-

tained, and all other blocks OFF

—

740 3800

nA

ISleepXO

Sleep current using an external 32 kHz crystal

—

1.7

—

µA

ISensor

-LBD

Low battery detector ON, register values maintained,

and all other blocks OFF

—1—

µA

IReady

Crystal Oscillator and Main Digital Regulator ON,

all other blocks OFF

—1.8

—

mA

Preamble Sense

Mode Current

Ipsm

Duty cycling during preamble search,

1.2 kbps, 4 byte preamble (no sensitivity degradation)

—6—

mA

Ipsm

Fixed 1 s wakeup interval, 50 kbps, 5 byte preamble

—

10

—

µA

TUNE Mode Current

ITune_RX

RX Tune, High Performance Mode

—

7.6

—

mA

ITune_TX

TX Tune, High Performance Mode

—

7.8

—

mA

RX Mode Current

IRXH

High Performance Mode

Measured at 915 MHz and 40 kbps data rate.

—13.7

22

mA

IRXL

Low Power Mode Measured at 315 MHz and 40 kbps

data

—10.9—

mA

TX Mode Current

(Si4468)

ITX_+20

+20 dBm output power, Class-E match,

915 MHz, 3.3 V

—88

108

mA

+20 dBm output power, square-wave match,

169 MHz, 3.3 V

—68.5

80

mA

+13 dBm output power, Class-E match,

915 MHz, 3.3 V

—44.5

60

mA

TX Mode Current

(Si4467)

ITX_+10

+10 dBm output power, Class-E match,

915/868 MHz, 3.3 V2

—19.7—

mA

ITX_+10

+10 dBm output power, Class-E match,

169 MHz, 3.3 V2

—18—

mA

ITX_+13

+13 dBm output power, Class-E match,

915/868 MHz, 3.3 V

—24—

mA

Notes:

1.

All minimum and maximum values are guaranteed across the recommended operating conditions of supply voltage and

from –40 to +85 °C unless otherwise stated. All typical values apply at VDD = 3.3 V and 25 °C unless otherwise stated.

2.

Measured on direct tie RF evaluation board.

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